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模态修改预测
LMS Test.Lab模态修改预测运用模态系统综合技术,评价结构修改变化,如质量、弹簧阻尼以及吸震器对机械结构动态特性的影响,多个修改可预定义并存为一个修改组。
LMS Test.Lab模态修改预测运用模态系统综合技术,评价结构修改变化,如质量、弹簧阻尼以及吸震器对机械结构动态特性的影响,多个修改可预定义并存为一个修改组。
基于模态模型(由试验或有限元分析得到的模态振型)和单元参数的修改定义,可计算修改后结构的模态。通过计算和与原模型的对比,可预测参数修改对模态的影响。
LMS Test.Lab模态修改预测是LMS Test.Lab分析产品之一。它可独立运行也可以作为附加程序使用。
特点
使用调节好的吸振器可有效耗散结构振动能量
通过增加质量或改变局部刚度,改变共振频率
去除所有点的质量,准确预测固有频率
无须改变实际结构即可预测结构修改的影响
评估设计改动,而无须重复试验
优点
模态修改预测完整的方案。
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Covering a range of industries, LMS application cases let you discover how LMS solutions help our customers solve their real-life engineering challenges.
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下载 the LMS Test.Lab Structures 结构试验手册
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通过增加质量或改变局部刚度来改变共振频率。
采用调节好的吸振器有效耗散结构振动能。
评估设计改动,而无须重复试验。
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